December in Taoyuan is the windiest month of the year. In December, the weather in Taoyuan is typically warm. Average daily high temperature in December is about 17 degrees above zero. On average, Taoyuan has 18 rainy, 6 sunny, 5 partly cloudy, and 2 cloudy days in December. The rains are usually moderate. December as well as January and February is considered the most uncomfortable time to visit Taoyuan.